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   <div id="projectname">lwIP
   &#160;<span id="projectnumber">2.1.2</span>
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   <div id="projectbrief">Lightweight IP stack</div>
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<div class="header">
  <div class="summary">
<a href="#groups">Modules</a> &#124;
<a href="#define-members">Macros</a>  </div>
  <div class="headertitle">
<div class="title">IP<div class="ingroups"><a class="el" href="group__api.html">APIs</a> &raquo; <a class="el" href="group__callbackstyle__api.html">&quot;raw&quot; APIs</a></div></div>  </div>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="groups"></a>
Modules</h2></td></tr>
<tr class="memitem:group__ip4"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__ip4.html">IPv4</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:group__ip6"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__ip6.html">IPv6</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
Macros</h2></td></tr>
<tr class="memitem:gaf056aa43789c2964f091f8349bb83730"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__ip.html#gaf056aa43789c2964f091f8349bb83730">ip_output</a>(p,  src,  dest,  ttl,  tos,  proto)</td></tr>
<tr class="separator:gaf056aa43789c2964f091f8349bb83730"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga51cd772c3f6fca7c0363dca1fce7b250"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__ip.html#ga51cd772c3f6fca7c0363dca1fce7b250">ip_output_if</a>(p,  src,  dest,  ttl,  tos,  proto,  <a class="el" href="structnetif.html">netif</a>)</td></tr>
<tr class="separator:ga51cd772c3f6fca7c0363dca1fce7b250"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gab9d45f846f796bd6ce1e0c780c392765"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__ip.html#gab9d45f846f796bd6ce1e0c780c392765">ip_output_if_src</a>(p,  src,  dest,  ttl,  tos,  proto,  <a class="el" href="structnetif.html">netif</a>)</td></tr>
<tr class="separator:gab9d45f846f796bd6ce1e0c780c392765"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga0fa3afc2c00aea346889b476650adee3"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__ip.html#ga0fa3afc2c00aea346889b476650adee3">ip_route</a>(src,  dest)</td></tr>
<tr class="separator:ga0fa3afc2c00aea346889b476650adee3"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga4a4b9439c91eeec719692dfe10f14af0"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__ip.html#ga4a4b9439c91eeec719692dfe10f14af0">ip_netif_get_local_ip</a>(<a class="el" href="structnetif.html">netif</a>,  dest)</td></tr>
<tr class="separator:ga4a4b9439c91eeec719692dfe10f14af0"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<h2 class="groupheader">Macro Definition Documentation</h2>
<a id="ga4a4b9439c91eeec719692dfe10f14af0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga4a4b9439c91eeec719692dfe10f14af0">&#9670;&nbsp;</a></span>ip_netif_get_local_ip</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define ip_netif_get_local_ip</td>
          <td>(</td>
          <td class="paramtype">&#160;</td>
          <td class="paramname"><a class="el" href="structnetif.html">netif</a>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">dest&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<b>Value:</b><div class="fragment"><div class="line">(<a class="code" href="group__ip6addr.html#ga9bac7e938757f1d24df2404e8b57cb7d">IP_IS_V6</a>(dest) ? \</div><div class="line">        ip6_netif_get_local_ip(<a class="code" href="structnetif.html">netif</a>, <a class="code" href="group__ip6addr.html#ga06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a>(dest)) : \</div><div class="line">        ip4_netif_get_local_ip(<a class="code" href="structnetif.html">netif</a>))</div><div class="ttc" id="group__ip6addr_html_ga9bac7e938757f1d24df2404e8b57cb7d"><div class="ttname"><a href="group__ip6addr.html#ga9bac7e938757f1d24df2404e8b57cb7d">IP_IS_V6</a></div><div class="ttdeci">#define IP_IS_V6(ipaddr)</div><div class="ttdef"><b>Definition:</b> ip_addr.h:102</div></div>
<div class="ttc" id="structnetif_html"><div class="ttname"><a href="structnetif.html">netif</a></div><div class="ttdef"><b>Definition:</b> netif.h:260</div></div>
<div class="ttc" id="group__ip6addr_html_ga06e75bcd198012b5ba39480c233608bd"><div class="ttname"><a href="group__ip6addr.html#ga06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a></div><div class="ttdeci">#define ip_2_ip6(ipaddr)</div><div class="ttdef"><b>Definition:</b> ip_addr.h:116</div></div>
</div><!-- fragment --><p>Get netif for IP. </p>

</div>
</div>
<a id="gaf056aa43789c2964f091f8349bb83730"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gaf056aa43789c2964f091f8349bb83730">&#9670;&nbsp;</a></span>ip_output</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define ip_output</td>
          <td>(</td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">p, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">src, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">dest, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">ttl, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">tos, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">proto&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<b>Value:</b><div class="fragment"><div class="line">(<a class="code" href="group__ip6addr.html#ga9bac7e938757f1d24df2404e8b57cb7d">IP_IS_V6</a>(dest) ? \</div><div class="line">        ip6_output(p, <a class="code" href="group__ip6addr.html#ga06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a>(src), <a class="code" href="group__ip6addr.html#ga06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a>(dest), ttl, tos, proto) : \</div><div class="line">        <a class="code" href="ip4_8c.html#ac87d296205eb5ac04058e609672d4ba8">ip4_output</a>(p, <a class="code" href="group__ip4addr.html#gad7268a496b7e3f872efecd859eba6f03">ip_2_ip4</a>(src), <a class="code" href="group__ip4addr.html#gad7268a496b7e3f872efecd859eba6f03">ip_2_ip4</a>(dest), ttl, tos, proto))</div><div class="ttc" id="group__ip4addr_html_gad7268a496b7e3f872efecd859eba6f03"><div class="ttname"><a href="group__ip4addr.html#gad7268a496b7e3f872efecd859eba6f03">ip_2_ip4</a></div><div class="ttdeci">#define ip_2_ip4(ipaddr)</div><div class="ttdef"><b>Definition:</b> ip_addr.h:120</div></div>
<div class="ttc" id="group__ip6addr_html_ga9bac7e938757f1d24df2404e8b57cb7d"><div class="ttname"><a href="group__ip6addr.html#ga9bac7e938757f1d24df2404e8b57cb7d">IP_IS_V6</a></div><div class="ttdeci">#define IP_IS_V6(ipaddr)</div><div class="ttdef"><b>Definition:</b> ip_addr.h:102</div></div>
<div class="ttc" id="ip4_8c_html_ac87d296205eb5ac04058e609672d4ba8"><div class="ttname"><a href="ip4_8c.html#ac87d296205eb5ac04058e609672d4ba8">ip4_output</a></div><div class="ttdeci">err_t ip4_output(struct pbuf *p, const ip4_addr_t *src, const ip4_addr_t *dest, u8_t ttl, u8_t tos, u8_t proto)</div><div class="ttdef"><b>Definition:</b> ip4.c:1028</div></div>
<div class="ttc" id="group__ip6addr_html_ga06e75bcd198012b5ba39480c233608bd"><div class="ttname"><a href="group__ip6addr.html#ga06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a></div><div class="ttdeci">#define ip_2_ip6(ipaddr)</div><div class="ttdef"><b>Definition:</b> ip_addr.h:116</div></div>
</div><!-- fragment --><p>Output IP packet, netif is selected by source address </p>

</div>
</div>
<a id="ga51cd772c3f6fca7c0363dca1fce7b250"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga51cd772c3f6fca7c0363dca1fce7b250">&#9670;&nbsp;</a></span>ip_output_if</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define ip_output_if</td>
          <td>(</td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">p, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">src, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">dest, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">ttl, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">tos, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">proto, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname"><a class="el" href="structnetif.html">netif</a>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<b>Value:</b><div class="fragment"><div class="line">(<a class="code" href="group__ip6addr.html#ga9bac7e938757f1d24df2404e8b57cb7d">IP_IS_V6</a>(dest) ? \</div><div class="line">        ip6_output_if(p, <a class="code" href="group__ip6addr.html#ga06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a>(src), <a class="code" href="group__ip6addr.html#ga06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a>(dest), ttl, tos, proto, <a class="code" href="structnetif.html">netif</a>) : \</div><div class="line">        <a class="code" href="ip4_8c.html#ab220bc4ce4f48bdbba447358b3594917">ip4_output_if</a>(p, <a class="code" href="group__ip4addr.html#gad7268a496b7e3f872efecd859eba6f03">ip_2_ip4</a>(src), <a class="code" href="group__ip4addr.html#gad7268a496b7e3f872efecd859eba6f03">ip_2_ip4</a>(dest), ttl, tos, proto, <a class="code" href="structnetif.html">netif</a>))</div><div class="ttc" id="group__ip4addr_html_gad7268a496b7e3f872efecd859eba6f03"><div class="ttname"><a href="group__ip4addr.html#gad7268a496b7e3f872efecd859eba6f03">ip_2_ip4</a></div><div class="ttdeci">#define ip_2_ip4(ipaddr)</div><div class="ttdef"><b>Definition:</b> ip_addr.h:120</div></div>
<div class="ttc" id="group__ip6addr_html_ga9bac7e938757f1d24df2404e8b57cb7d"><div class="ttname"><a href="group__ip6addr.html#ga9bac7e938757f1d24df2404e8b57cb7d">IP_IS_V6</a></div><div class="ttdeci">#define IP_IS_V6(ipaddr)</div><div class="ttdef"><b>Definition:</b> ip_addr.h:102</div></div>
<div class="ttc" id="structnetif_html"><div class="ttname"><a href="structnetif.html">netif</a></div><div class="ttdef"><b>Definition:</b> netif.h:260</div></div>
<div class="ttc" id="ip4_8c_html_ab220bc4ce4f48bdbba447358b3594917"><div class="ttname"><a href="ip4_8c.html#ab220bc4ce4f48bdbba447358b3594917">ip4_output_if</a></div><div class="ttdeci">err_t ip4_output_if(struct pbuf *p, const ip4_addr_t *src, const ip4_addr_t *dest, u8_t ttl, u8_t tos, u8_t proto, struct netif *netif)</div><div class="ttdef"><b>Definition:</b> ip4.c:787</div></div>
<div class="ttc" id="group__ip6addr_html_ga06e75bcd198012b5ba39480c233608bd"><div class="ttname"><a href="group__ip6addr.html#ga06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a></div><div class="ttdeci">#define ip_2_ip6(ipaddr)</div><div class="ttdef"><b>Definition:</b> ip_addr.h:116</div></div>
</div><!-- fragment --><p>Output IP packet to specified interface </p>

</div>
</div>
<a id="gab9d45f846f796bd6ce1e0c780c392765"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gab9d45f846f796bd6ce1e0c780c392765">&#9670;&nbsp;</a></span>ip_output_if_src</h2>

<div class="memitem">
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        <tr>
          <td class="memname">#define ip_output_if_src</td>
          <td>(</td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">p, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">src, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">dest, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">ttl, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">tos, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">proto, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname"><a class="el" href="structnetif.html">netif</a>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<b>Value:</b><div class="fragment"><div class="line">(<a class="code" href="group__ip6addr.html#ga9bac7e938757f1d24df2404e8b57cb7d">IP_IS_V6</a>(dest) ? \</div><div class="line">        ip6_output_if_src(p, <a class="code" href="group__ip6addr.html#ga06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a>(src), <a class="code" href="group__ip6addr.html#ga06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a>(dest), ttl, tos, proto, <a class="code" href="structnetif.html">netif</a>) : \</div><div class="line">        <a class="code" href="ip4_8c.html#a2943d118873e9eb1d8296e04a6740db7">ip4_output_if_src</a>(p, <a class="code" href="group__ip4addr.html#gad7268a496b7e3f872efecd859eba6f03">ip_2_ip4</a>(src), <a class="code" href="group__ip4addr.html#gad7268a496b7e3f872efecd859eba6f03">ip_2_ip4</a>(dest), ttl, tos, proto, <a class="code" href="structnetif.html">netif</a>))</div><div class="ttc" id="group__ip4addr_html_gad7268a496b7e3f872efecd859eba6f03"><div class="ttname"><a href="group__ip4addr.html#gad7268a496b7e3f872efecd859eba6f03">ip_2_ip4</a></div><div class="ttdeci">#define ip_2_ip4(ipaddr)</div><div class="ttdef"><b>Definition:</b> ip_addr.h:120</div></div>
<div class="ttc" id="group__ip6addr_html_ga9bac7e938757f1d24df2404e8b57cb7d"><div class="ttname"><a href="group__ip6addr.html#ga9bac7e938757f1d24df2404e8b57cb7d">IP_IS_V6</a></div><div class="ttdeci">#define IP_IS_V6(ipaddr)</div><div class="ttdef"><b>Definition:</b> ip_addr.h:102</div></div>
<div class="ttc" id="structnetif_html"><div class="ttname"><a href="structnetif.html">netif</a></div><div class="ttdef"><b>Definition:</b> netif.h:260</div></div>
<div class="ttc" id="ip4_8c_html_a2943d118873e9eb1d8296e04a6740db7"><div class="ttname"><a href="ip4_8c.html#a2943d118873e9eb1d8296e04a6740db7">ip4_output_if_src</a></div><div class="ttdeci">err_t ip4_output_if_src(struct pbuf *p, const ip4_addr_t *src, const ip4_addr_t *dest, u8_t ttl, u8_t tos, u8_t proto, struct netif *netif)</div><div class="ttdef"><b>Definition:</b> ip4.c:827</div></div>
<div class="ttc" id="group__ip6addr_html_ga06e75bcd198012b5ba39480c233608bd"><div class="ttname"><a href="group__ip6addr.html#ga06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a></div><div class="ttdeci">#define ip_2_ip6(ipaddr)</div><div class="ttdef"><b>Definition:</b> ip_addr.h:116</div></div>
</div><!-- fragment --><p>Output IP packet to interface specifying source address </p>

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<h2 class="memtitle"><span class="permalink"><a href="#ga0fa3afc2c00aea346889b476650adee3">&#9670;&nbsp;</a></span>ip_route</h2>

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          <td class="memname">#define ip_route</td>
          <td>(</td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">src, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">dest&#160;</td>
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          <td>)</td>
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<b>Value:</b><div class="fragment"><div class="line">(<a class="code" href="group__ip6addr.html#ga9bac7e938757f1d24df2404e8b57cb7d">IP_IS_V6</a>(dest) ? \</div><div class="line">        ip6_route(<a class="code" href="group__ip6addr.html#ga06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a>(src), <a class="code" href="group__ip6addr.html#ga06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a>(dest)) : \</div><div class="line">        <a class="code" href="ip4_8c.html#ab615a9ca8fdd99e697f52506fc440fba">ip4_route_src</a>(<a class="code" href="group__ip4addr.html#gad7268a496b7e3f872efecd859eba6f03">ip_2_ip4</a>(src), <a class="code" href="group__ip4addr.html#gad7268a496b7e3f872efecd859eba6f03">ip_2_ip4</a>(dest)))</div><div class="ttc" id="group__ip4addr_html_gad7268a496b7e3f872efecd859eba6f03"><div class="ttname"><a href="group__ip4addr.html#gad7268a496b7e3f872efecd859eba6f03">ip_2_ip4</a></div><div class="ttdeci">#define ip_2_ip4(ipaddr)</div><div class="ttdef"><b>Definition:</b> ip_addr.h:120</div></div>
<div class="ttc" id="group__ip6addr_html_ga9bac7e938757f1d24df2404e8b57cb7d"><div class="ttname"><a href="group__ip6addr.html#ga9bac7e938757f1d24df2404e8b57cb7d">IP_IS_V6</a></div><div class="ttdeci">#define IP_IS_V6(ipaddr)</div><div class="ttdef"><b>Definition:</b> ip_addr.h:102</div></div>
<div class="ttc" id="ip4_8c_html_ab615a9ca8fdd99e697f52506fc440fba"><div class="ttname"><a href="ip4_8c.html#ab615a9ca8fdd99e697f52506fc440fba">ip4_route_src</a></div><div class="ttdeci">struct netif * ip4_route_src(const ip4_addr_t *src, const ip4_addr_t *dest)</div><div class="ttdef"><b>Definition:</b> ip4.c:129</div></div>
<div class="ttc" id="group__ip6addr_html_ga06e75bcd198012b5ba39480c233608bd"><div class="ttname"><a href="group__ip6addr.html#ga06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a></div><div class="ttdeci">#define ip_2_ip6(ipaddr)</div><div class="ttdef"><b>Definition:</b> ip_addr.h:116</div></div>
</div><!-- fragment --><p>Get netif for address combination. See <a class="el" href="ip6_8h.html#a1153bd9e8c45847282105ab6379e6e70">ip6_route</a> and <a class="el" href="ip4_8h.html#ac659f675356cfc1d4d13884946347e47">ip4_route</a> </p>

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